60555531551 has 2 divisors, whose sum is σ = 60555531552. Its totient is φ = 60555531550.

The previous prime is 60555531527. The next prime is 60555531563. The reversal of 60555531551 is 15513555506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60555531551 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 60555531499 and 60555531508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60555531851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30277765775 + 30277765776.

It is an arithmetic number, because the mean of its divisors is an integer number (30277765776).

Almost surely, 2^60555531551 is an apocalyptic number.

60555531551 is a deficient number, since it is larger than the sum of its proper divisors (1).

60555531551 is an equidigital number, since it uses as much as digits as its factorization.

60555531551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 281250, while the sum is 41.

The spelling of 60555531551 in words is "sixty billion, five hundred fifty-five million, five hundred thirty-one thousand, five hundred fifty-one".